jQuery :empty Selector

jQuery Web Development Front End Technology

The :empty selector in jQuery is used to select all elements which are empty.

Syntax

The syntax is as follows −

$(":empty")

Example

Let us now see an example to implement the :empty() selector −

<!DOCTYPE html>
<html>
<head>
<style>
   .demo {
      color: brown;
      background-color: orange;
      font-size: 16px;
      border: 2px blue dashed;
      width:100px;
      height:70px;
   }
</style>
<script src="https://code.jquery.com/jquery-3.4.1.js"></script>
<script>
   $(document).ready(function(){
      $("p:empty(.one)").addClass("demo");
   });
</script>
</head>
<body>
<h2>Enter details</h2>
<p class="one"></p>
<form action="">
ID: <input type="text" name="id"><br>
Rank: <input type="text" name="rank"><br>
Fav. Subjects:
Maths: <input type="checkbox" name="sub" value="maths">
English <input type="checkbox" name="sub" value="english"><br>
<input type="submit" value="Submit"><br>
</form>
</body>
</html>